1  Arctic & Sub-arctic
 2a Europe
 2b N. Eurasia
 3a Sino-Japanese
 3b Himalayan
 4  W. & Central Asia
 5  Mediterranean
 6  Macaronesian
 7a N.North American
 7b S.North American
 8  Pacific North American
 9  African Indian Desert
10  Sudanese Park Steppe
11  N.E. African Highland
12  W. African Rain Forest
13  E. African Steppe
14  South African
15  Madagascar
16  Ascension & St. Helena
17  Indian
18  Continental S.E. Asia
19  Malaysian
20  Hawaiian
21  New Caledonia
22  Melanesia & Micronesia
23  Polynesia
24a Caribbean mainland
24b Antillean & S. Florida
25  Venezuela & Guiana
26  Amazon
27  N.E. & Central Brazilian
28  Andean
29  Pampas
30  Juan Fernandez
31  Cape
32  N. & E. Australia
33  S.W. Australia
34  Central Australia
35  New Zealand
36  Patagonian
37  Antarctic & Subantarctic

After Good (1953), modified by Christiansen & Bellinger (1995), amended by Culik & Zeppelini (2003).